1. What is a binomial system of nomenclature , and why is it used ?
2. Explain the important contributions microorganisms make in the earth's ecosystems
3. Trace the pathway of light from its source to the eye, explaining what happens as it passes through the major parts of the microscope
4. a. Compare and contrast the optical compound microscope with the electron microscope
b. Why is the resolution so superior in the electron microscope ?
c. What will you never see in an unretouched electron micrograph ?